A new version is available and renaming the 3.12.9 ebuild works. Reproducible: Always
*odeskteam-3.12.19 (15 May 2015) 15 May 2015; Aaron W. Swenson <titanofold@gentoo.org> +odeskteam-3.12.19.ebuild: Version bump fixes bug 542854.
that's nice, but odeskteam has already been replaced by upwork - see bug 549118